#1 Contractor in Champaign, IL for


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Enhance Your Outdoor Living Space

Rely on C-U Under Construction for beautiful deck, pergola, and fence installation services that will not only enhance your living space but add value to your property as well. Champaign, Illinois has beautiful weather so creating an outdoor space where you can entertain family and friends is ideal. When you choose C-U for your outdoor renovations, you can always expect top-quality work and superior customer service from our team of professionals.

From custom and composite decks to covered patios, pergolas, and fencing, we’ve got 70 years of combined experience with outdoor living area additions in the greater Champaign, IL region. Regardless of what your ideas are for your new deck, pergola, or fencing, we can help bring your vision to life. C-U has been building a 5-star reputation for decks, pergolas, and fence services since 2008, always putting innovation, integrity, teamwork, quality, and adaptability at the forefront of each project.

Have an insurance claim? Give us a call for your FREE estimate and to set up an appointment. Ask us how you can receive an additional 15% discount on your labor costs when you sign up with C-U Under Construction for your outdoor living space renovation!

Outdoor Living Spaces


  • Custom decks
  • Composite decking
  • Treated lumber decking
  • Deck additions or replace and refresh your existing deck with a fresh and modern new look
  • Multi-level decks
  • Concrete footings
  • Outdoor lighting installation
  • Awnings and pergolas
  • Covered patios
  • Wood
  • Vinyl
  • Iron
  • Entry gates and more


C-U Under Construction can help create an unforgettable outdoor living space for your home. Whether you want a new deck, need new fencing, or are dreaming of a one-of-a-kind pergola, our team can make it happen. As the leading contractor in Champaign, IL we strive to create spaces that will keep our customers happy for years to come. With a 100% satisfaction guarantee commitment to our clients, we promise you won’t find a more dedicated and qualified construction company to build your dream outdoor space. With top project managers overseeing the renovation and tradesmen who have years of experience in the field, your outdoor living space will be transformed into a beautiful space, perfect for entertaining.



100% Satisfaction Guaranteed
Certified Technicians
Licensed, Bonded, & Insured
5 Star Ratings


Kitchen and Bath Remodeling

The sky is the limit when it comes to remodeling your kitchen or bath. C-U Under Construction can bring your vision to life, providing high-quality remodeling services at an affordable rate.

Additions and New Construction

You can trust C-U Under Construction with your new build or add-on. Our contractors have the knowledge and expertise to take on any project of any size, 100% satisfaction guaranteed.

Commercial Projects

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From the ground up, C-U can build your attached or detached garage. Our team has the knowledge and expertise to get the job done quickly, providing every aspect of the build in-house.

Windows and Doors

C-U pricing for new windows and door installations is competitive. Our team can get the job done quickly to ensure minimal disturbances to your home.

Basement Finishing

Increase the value of your home while creating a living space perfect for entertaining when you hire C-U to finish your basement. We are known in the region for creating one-of-a-kind spaces at affordable rates.


Your roof is one of the most crucial components of your home and finding a trusted team to install your new roof is important. C-U Under Construction has decades of experience replacing and installing all types of roofing systems.


Contact Us


1153 County Road 1200 E Suite 2
Champaign, IL 61822